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» Space-Efficient Algorithms for Document Retrieval
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WWW
2007
ACM
16 years 8 days ago
Exploration of query context for information retrieval
A number of existing information retrieval systems propose the notion of query context to combine the knowledge of query and user into retrieval to reveal the most exact descripti...
Keke Cai, Chun Chen, Jiajun Bu, Peng Huang, Zhimin...
WWW
2005
ACM
16 years 8 days ago
Improving Web search efficiency via a locality based static pruning method
The unarguably fast, and continuous, growth of the volume of indexed (and indexable) documents on the Web poses a great challenge for search engines. This is true regarding not on...
Edleno Silva de Moura, Célia Francisca dos ...
SIGIR
2012
ACM
13 years 2 months ago
Explicit relevance models in intent-oriented information retrieval diversification
The intent-oriented search diversification methods developed in the field so far tend to build on generative views of the retrieval system to be diversified. Core algorithm compon...
Saul Vargas, Pablo Castells, David Vallet
SIGIR
2006
ACM
15 years 5 months ago
LDA-based document models for ad-hoc retrieval
Search algorithms incorporating some form of topic model have a long history in information retrieval. For example, cluster-based retrieval has been studied since the 60s and has ...
Xing Wei, W. Bruce Croft
SIGIR
2003
ACM
15 years 4 months ago
Quantitative evaluation of passage retrieval algorithms for question answering
Passage retrieval is an important component common to many question answering systems. Because most evaluations of question answering systems focus on end-to-end performance, comp...
Stefanie Tellex, Boris Katz, Jimmy J. Lin, Aaron F...